{"id":156231,"date":"2020-09-17T07:34:03","date_gmt":"2020-09-16T23:34:03","guid":{"rendered":"http:\/\/4563.org\/?p=156231"},"modified":"2020-09-17T07:34:03","modified_gmt":"2020-09-16T23:34:03","slug":"zookeeper-%e7%9a%84%e9%a1%ba%e5%ba%8f%e4%b8%80%e8%87%b4%e6%80%a7%ef%bc%8c%e5%bd%93-client-%e8%bf%9e%e6%8e%a5%e5%88%b0%e4%b8%8d%e5%90%8c-server-%e7%9a%84%e6%97%b6%e5%80%99%e5%a6%82%e4%bd%95%e4%bf%9d","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=156231","title":{"rendered":"zookeeper \u7684\u987a\u5e8f\u4e00\u81f4\u6027\uff0c\u5f53 client \u8fde\u63a5\u5230\u4e0d\u540c server \u7684\u65f6\u5019\u5982\u4f55\u4fdd\u8bc1\uff1f"},"content":{"rendered":"
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zookeeper \u7684\u987a\u5e8f\u4e00\u81f4\u6027\uff0c\u5f53 client \u8fde\u63a5\u5230\u4e0d\u540c server \u7684\u65f6\u5019\u5982\u4f55\u4fdd\u8bc1\uff1f <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : cheesea <\/span> <\/i> 5<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5047\u5982\u6709\u4e24\u53f0 zk server \u3002<\/p>\n

client \u5148\u8bbe\u7f6e\u4e00\u4e2a\u7ed3\u70b9\u7684\u503c\u4e3a 1\uff0c\u518d\u66f4\u65b0\u4e3a 2.<\/p>\n

client \u5148\u4ece server1 \u8bfb\u53d6\u5230\u6700\u65b0\u7684\u503c 2\uff0c\u7136\u540e\u65ad\u5f00\u548c server1 \u7684\u8fde\u63a5\uff0c\u518d\u91cd\u65b0\u8fde\u63a5\u5230 server2 \u3002\u8fd9\u65f6\u5019 server2 \u6709\u53ef\u80fd\u8fd8\u6ca1\u66f4\u65b0\u5230\u6700\u65b0\u503c 2(\u6bd4\u5982\u56e0\u4e3a\u7f51\u7edc\u7684\u539f\u56e0\uff0cserver1 \u5df2\u7ecf\u63a5\u6536\u5230 leader \u7684 commit \u6d88\u606f\uff0c\u4f46\u662f server2 \u8fd8\u6ca1\u6709\u6536\u5230)\uff0c\u90a3\u4e0d\u5c31\u4e0d\u6ee1\u8db3\u4e00\u81f4\u6027\u4e86\u5417\uff1f<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (6<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yeqizhang <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u5b58\u5728\u7684\uff0c\u4f60\u66f4\u65b0 Server1 \u4e3a 2 \u65f6\uff0c\u5176\u5b83\u4e5f\u8981\u66f4\u65b0\u4e3a 2\uff0c\u6240\u6709\u8282\u70b9 ack \u540e\u624d\u7b97\u66f4\u65b0\u6210\u529f\u3002\u4e0d\u7136\u4f60\u8bfb\u5230\u7684 Server1 \u8fd8\u662f 1 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yeqizhang <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u597d\u610f\u601d\uff0c\u6211\u67e5\u4e86\u4e0b\uff0c\u4e0a\u9762\u6211\u662f\u6309\u6211\u7684\u8bb0\u5fc6\u8bf4\u7684\uff0c\u4e8b\u5b9e\u4e0d\u662f\u5982\u6b64\u3002zk \u4e0d\u4fdd\u8bc1\u5f3a\u4e00\u81f4\u6027 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xx6412223 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4fdd\u8bc1\u4e0d\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : aliwalker <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    zk \u53ea\u80fd\u4fdd\u8bc1 client \u7684 FIFO order\uff0c\u4e00\u4e2a client \u53d1\u7684\u6240\u6709\u8bf7\u6c42\u4f1a\u6309\u7167\u987a\u5e8f\u6267\u884c\uff0c\u4f46\u5e76\u4e0d\u662f\u5f3a\u4e00\u81f4\u6027\u7684\uff0c\u800c\u662f\u4fdd\u8bc1\u6700\u7ec8\u4e00\u81f4\u6027\u3002\u4f60\u8bf4\u7684\u8fd9\u4e2a\u60c5\u51b5\u662f zk \u7684\u8bfb\u64cd\u4f5c\u4f1a\u8bfb\u5230 stale \u503c\uff0c\u9700\u8981\u901a\u8fc7 sync(path)\u4e00\u4e0b\u624d\u80fd\u4fdd\u8bc1\u6700\u65b0\u503c\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : cheesea <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @aliwalker \u4f60\u597d\uff0c\u6211\u7ffb\u4e86\u4e00\u4e0b\u5b98\u65b9\u6587\u6863\uff0c\u53d1\u73b0\u91cc\u9762\u6709\u8fd9\u4e48\u4e00\u53e5\u8bdd\uff0c
    Single System Image : A client will see the same view of the service regardless of the server that it connects to.
    \u6ca1\u7406\u89e3\u9519\u7684\u8bdd\uff0c\u4f3c\u4e4e\u65e0\u8bba\u8fde\u63a5\u5230\u54ea\u53f0\u670d\u52a1\u5668\uff0c\u83b7\u53d6\u7684\u503c\u90fd\u662f\u76f8\u540c\u7684 \u3002\u4f46\u662f\u6309\u7167 zk \u7684\u540c\u6b65\u673a\u5236\uff0c\u786e\u5b9e\u53c8\u4e0d\u662f\u5f3a\u4e00\u81f4\u6027\u7684\u3002\u5f88\u5947\u602a\u3002
    \u8fd8\u6709\u4e2a\u95ee\u9898\u8bf7\u6559\u4e0b\uff0c\u5047\u5982\u6709\u591a\u4e2a\u5ba2\u6237\u7aef\u5e76\u53d1\u5199\uff0czk \u53ea\u80fd\u4fdd\u8bc1\u5bf9\u6bcf\u4e2a\u5ba2\u6237\u7aef\u800c\u8a00\u662f\u6709\u5e8f\u7684\u3002\u6bd4\u5982 client1 \u5199\u64cd\u4f5c A,B\uff0cclient2 \u5199 C,D\uff0c\u90a3\u6700\u7ec8\u5199\u987a\u5e8f\u53ef\u80fd\u662f A,C,B,D \uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mitiskysean <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    ZK \u786e\u4fdd\u8fbe\u6210\u4e00\u81f4\u540e\uff0c\u4e0d\u8bba\u4f60\u600e\u4e48\u8bfb\u90fd\u662f\u552f\u4e00\u4e14\u786e\u5b9a\u7684\uff0c\u534f\u8bae\u5c31\u662f\u5e72\u8fd9\u4e2a\u4e8b\u60c5\u7684\u554a\u3002\u81f3\u4e8e\u4f60\u8bf4\u7684\u987a\u5e8f\uff0c\u90a3\u4e0d\u662f ZK \u5904\u7406\u7684\u8303\u7574\u554a\u3002\u5bf9\u4e8e Value \u8bbe\u7f6e\u6210 A\uff0c\u7136\u540e\u6539\u6210 B\uff0cZK \u4fdd\u8bc1\u5927\u5bb6\u770b\u5230\u90fd\u662f B \u3002\u5176\u5b83\u4eba\u53c8\u6539\u6210 C\uff0c\u90a3 ZK \u53ea\u9700\u786e\u4fdd\u90fd\u770b\u5230 C \u4ec5\u6b64\u800c\u5df2\u3002\u8fd9\u91cc\u7684\u987a\u5e8f\u662f\u4e8b\u4ef6\u53d1\u751f\u7684\u987a\u5e8f\uff0czk \u901a\u8fc7 FIFO \u505a\u5230\u548c\u4e8b\u60c5\u53d1\u751f\u987a\u5e8f\u4e00\u81f4\u5373\u53ef\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    zookeeper \u7684\u987a\u5e8f\u4e00\u81f4\u6027\uff0c…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/156231"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=156231"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/156231\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=156231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=156231"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=156231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}